Commit fa4b8b3e authored by Matthew Brost's avatar Matthew Brost
Browse files

drm/print: Add drm_coredump_printer_is_full 



Add drm_coredump_printer_is_full which indicates if a drm printer's
output is full. Useful to short circuit coredump printing once printer's
output is full.

v2:
 - s/drm_printer_is_full/drm_coredump_printer_is_full (Jani)
v3:
 - Bail if not a coredump printer (Michal)

Signed-off-by: default avatarMatthew Brost <matthew.brost@intel.com>
Reviewed-by: default avatarJonathan Cavitt <jonathan.cavitt@intel.com>
Link: https://lore.kernel.org/r/20250423171725.597955-4-matthew.brost@intel.com
parent 270172f6

include/drm/drm_print.h

+20 −0
Original line number Diff line number Diff line
@@ -344,6 +344,26 @@ drm_coredump_printer(struct drm_print_iterator *iter) 
	return p;

}



/**

 * drm_coredump_printer_is_full() - DRM coredump printer output is full

 * @p: DRM coredump printer

 *

 * DRM printer output is full, useful to short circuit coredump printing once

 * printer is full.

 *

 * RETURNS:

 * True if DRM coredump printer output buffer is full, False otherwise

 */

static inline bool drm_coredump_printer_is_full(struct drm_printer *p)

{

	struct drm_print_iterator *iterator = p->arg;



	if (p->printfn != __drm_printfn_coredump)

		return true;



	return !iterator->remain;

}



/**

 * drm_seq_file_printer - construct a &drm_printer that outputs to &seq_file

 * @f:  the &struct seq_file to output to